<template>
  <div>
    <template>
      <div>
        <template v-for="item in this.menuList">
          <el-submenu :disabled="item.disabled" :index="item.id+''" v-if="item.children.length>0" :key="item.id+''">
            <template slot="title" style="padding-left:30px">
              <i :class="item.icon"></i>
              <span slot="title">{{ item.menuName}}</span>
            </template>
            <MenuTree :menuList="item.children"></MenuTree>
          </el-submenu>
          <el-menu-item
            v-else
            :disabled="item.disabled"
            :index="item.url+''"
            :route="item.url"
            @click="savePath(item.url)"
            :key="item.id+''"
            style="padding-left: 50px;"
          >
            <i :class="item.icon"></i>
            <span>{{item.menuName}}</span>
          </el-menu-item>
        </template>
      </div>
    </template>

  </div>
</template>

<script>
  export default {
    name: 'MenuTree',
    props: ['menuList'],
    methods: {
      //保存激活路径
      savePath() {
        window.sessionStorage.setItem("activePath", path);
        this.activePath = path;
      }
    }

  }
</script>

<style scoped>
  .el-menu--collapse span,
  .el-menu--collapse i.el-submenu__icon-arrow {
    height: 0;
    width: 0;
    overflow: hidden;
    visibility: hidden;
    display: inline-block;
  }
</style>
